<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Loutradis Vasileios -->
          <cik>0002070017</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0002029471</issuerCik>
      <issuerName>Heidmar Maritime Holdings Corp.</issuerName>
      <secFileNumber>001-42534</secFileNumber>
      <issuerAddress>
        <com:street1>89 Akti Miaouli</com:street1>
        <com:city>Pireaus</com:city>
        <com:stateOrCountry>J3</com:stateOrCountry>
        <com:zipCode>18538</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>30-2160024900</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Vasileios Loutradis</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock, par value $0.001 per share</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Piraeus Securities S.A.</name>
        <address>
          <com:street1>10 Stadiou Street</com:street1>
          <com:city>Athens</com:city>
          <com:stateOrCountry>J3</com:stateOrCountry>
          <com:zipCode>10564</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>126575</noOfUnitsSold>
      <aggregateMarketValue>138699.00</aggregateMarketValue>
      <noOfUnitsOutstanding>58900000</noOfUnitsOutstanding>
      <approxSaleDate>06/26/2026</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock, par value $0.01 per share</securitiesClassTitle>
      <acquiredDate>04/01/2026</acquiredDate>
      <natureOfAcquisitionTransaction>Employee stock award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>104954</amountOfSecuritiesAcquired>
      <paymentDate>04/01/2026</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock, par value $0.01 per share</securitiesClassTitle>
      <acquiredDate>04/01/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Employee stock award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>21621</amountOfSecuritiesAcquired>
      <paymentDate>04/05/2025</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/26/2026</noticeDate>
      <signature>/s/ Vasileios Loutradis</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
